399197784

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{234271}}^1$

素因数の和:234351

約数の個数: 32

約数和(自身を含む): 1012055040

約数和(自身を除く): 612857256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 234271, 468542, 702813, 937084, 1405626, 1874168, 2811252, 5622504, 16633241, 33266482, 49899723, 66532964, 99799446, 133065928, 199598892, 399197784]

約数ペア:

[(1, 399197784), (2, 199598892), (3, 133065928), (4, 99799446), (6, 66532964), (8, 49899723), (12, 33266482), (24, 16633241), (71, 5622504), (142, 2811252), (213, 1874168), (284, 1405626), (426, 937084), (568, 702813), (852, 468542), (1704, 234271)]